trucks on the road or maybe because of all the bike lanes in new york city and people are angry and trying to hit them. can't confirm that. >>> triple a reports the average annual price of gas this year will almost certainly top last year's record. well, despite that, prices are falling now and in a big way. the lund berg survey shows the average cost of a gallon of regular unleaded is down 10 cents over the past three weeks and i continuing down. what's causing this, rich? >> reporter: americans are driving less. that and slowing economic growth mean the world is using less oil. after problems earlier this year, refineries are pumping out more gas. also, warmer than average temperatures meaning americans are using less oil to heat their homes. all that pushes prices down further. prices also spiked after hurricane sandy and have fallen since, shepard. >> shepard: so right now they're headed down more, right? > >> reporter: that's right. there's a difference between lowest and highest of 80 cents a gallon. 3.85 in long island, in mems me, tennessee, it's less than 3.05. the average